Quantic PMI Model DTA-0R5G18G-60-CD-4 is a non-reflective, 10 bit, programmable 60 dB pin diode attenuator with step resolution as low as 0.06 dB over the frequency range of 0.5 to 18 GHz. Specifications include insertion loss 3.5 dB; VSWR: 2.0:1; flatness ±3.05 dB @ 60 dB maximum; accuracy of attenuation ±1.5 dB @ 20 to 40 dB and switching speed of 1 µs. This model is offered in a slim line housing measuring 2.0" x 1.8" x 0.4" with SMA (F) connectors. https://www.quanticpmi.com/product-details/dta-0r5g18g-60-cd-4
